puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

restlessness

shivering

skin rash, hives, or itching skin

talking or acting with excitement you cannot control

tightness in the chest, throat, neck, and jaw

tingling or pain in the fingers or toes when exposed to cold

trembling or shaking

twitching

unusual tiredness or weakness

weakness in the legs

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

Acid or sour stomach

belching

bone pain

continuing ringing or buzzing or other unexplained noise in the ears

dry mouth

feeling of warmth

hearing loss

heartburn

hot or cold sensation

indigestion

pain or tenderness around the eyes and cheekbones

redness of the face, neck, arms, and occasionally upper chest

stomach discomfort or upset

stuffy or runny nose

trouble sleeping

Incidence not known

Seizures

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.